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Magnetic field dependence of the residual resistivity of the heavy-fermion metal CeCoIn<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mrow /><mml:mn>5</mml:mn></mml:msub></mml:math>
An explanation of the paradoxical behavior of the residual resistivity ${\ensuremath{\rho}}_{0}$ of the heavy-fermion metal CeCoIn${}_{5}$ in magnetic fields and under pressure is developed. The source of this behavior is identified as a flattening of the single-particle spectrum, which exerts profound effects on the specific heat, thermal-expansion coefficient, and magnetic …